What is the volume of 2 moles of ammonia at room temperature?

Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?

Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L

Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants; but it is afunction of reaction temperature. In a chemical reaction, the time requiredto reduce the concentration of reactant from 100 gm moles/litre to 50 gmmoles/litre is same as that required to reduce it from 2 gm moles/litre to 1gm mole/litre in the same volume. Then the order of this reaction is:(A) 0(B) 1(C) 2(D) 3

Description : Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants; but it is afunction of reaction temperature. In a chemical reaction, the time required to ... Then the order of this reaction is: (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (B) 1

When 40 c c of slightly moist hydrogen chloride gas is mixed with 20 c c of ammonia gas the final volume of gas left at the same temperature and press

Description : When 40 c c of slightly moist hydrogen chloride gas is mixed with 20 c c of ammonia gas the final volume of gas left at the same temperature and press

Last Answer : When 40 c c of slightly moist hydrogen chloride gas is mixed with 20 c c of ammonia gas the final volume of gas left ... . 40 c c C. 60 c c D. 100 c c

In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at(A) Low pressure(B) High pressure(C) Very high temperature(D) Atmospheric pressure; as the pressure has no effect on conversion

Description : In ammonia synthesis (N2 + 3H2 = 2NH3 ), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should becarried out at (A) Low pressure (B) High pressure (C) Very high temperature (D) Atmospheric pressure; as the pressure has no effect on conversion

Last Answer : (B) High pressure

In the gaseous phase ammonia formation reaction (N2 + 3H2 ⇌ 2NH3 ), the value of the equilibrium constant depends on the (A) Total pressure of the system (B) Volume of the reactor (C) Temperature (D) Initial concentration of N2 and H2

Description : In the gaseous phase ammonia formation reaction (N2 + 3H2 ⇌ 2NH3 ), the value of the equilibrium constant depends on the (A) Total pressure of the system (B) Volume of the reactor (C) Temperature (D) Initial concentration of N2 and H2

Last Answer : (C) Temperature

Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.

Description : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.

Last Answer : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.

What volume of `O_(2)` is liberated when 3 moles of `SO_(2)` reacts with sufficient volume of `O_(3)`

Description : What volume of `O_(2)` is liberated when 3 moles of `SO_(2)` reacts with sufficient volume of `O_(3)`

Last Answer : What volume of `O_(2)` is liberated when 3 moles of `SO_(2)` reacts with sufficient volume of `O_(3)` A. Zero B. 2 Vol C. 3 Vol D. `0.5` Vol

When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa?

Description : When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa?

Last Answer : The pressure is 207,5 kPa.

What volume would be occupied by 2 moles of propane gas C3H8 at standard conditions?

Description : What volume would be occupied by 2 moles of propane gas C3H8 at standard conditions?

Last Answer : The volume of propane is 48,93 L.

What is the volume occupied by 4 moles of hydrogen molecules (H2) at standard conditions?

Description : What is the volume occupied by 4 moles of hydrogen molecules (H2) at standard conditions?

Last Answer : The volume of hydrogen is 97, 86 L.

What volume is occupied by 4 moles of hydrogen molecules (h2) at standard conditions?

Description : What volume is occupied by 4 moles of hydrogen molecules (h2) at standard conditions?

Last Answer : The volume of hydrogen is 97, 86 L.

How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?

Description : How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?

Last Answer : The number of moles is 3,046.

What volume in mL of a 0.10 M NaOH solution would be required to neutralize 0.0091 moles of CH3COOH in a given vinegar sample?

Description : What volume in mL of a 0.10 M NaOH solution would be required to neutralize 0.0091 moles of CH3COOH in a given vinegar sample?

Last Answer : The volume of NaOH is 99 mL.

An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol?

Description : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol?

Last Answer : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full? A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol

Which of the following is not a unit of reaction rate? (A) Moles for med/(surface of catalyst) (time) (B) Moles formed/volume of reactor) (time) (C) Mole formed/volume of catalyst) (time) (D) None of these

Description : Which of the following is not a unit of reaction rate? (A) Moles for med/(surface of catalyst) (time) (B) Moles formed/volume of reactor) (time) (C) Mole formed/volume of catalyst) (time) (D) None of these

Last Answer : (D) None of these

In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that requiredto reduce it from 10 moles/litre to 5 moles/litre in the same volume.(A) More than(B) Less than(C) Same as(D) Data insufficient; can't be predicted

Description : In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that requiredto reduce it from 10 moles/litre to 5 moles/litre in the ... (A) More than (B) Less than (C) Same as (D) Data insufficient; can't be predicted

Last Answer : (C) Same as

In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants) (A) Addition of inert gas favours the forward reaction, when Δx is positive (B) Pressure has no effect on equilibrium, when Δn = 0 (C) Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) (D) All 'a', 'b' & 'c'

Description : In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants) (A) Addition of inert gas favours the forward reaction, when Δx is positive (B) Pressure has no effect on equilibrium, when Δn = ... any value of Δx (+ ve, - ve) or zero) (D) All 'a', 'b' & 'c'

Last Answer : D) All 'a', 'b' & 'c'

The extensive properties are (A) Volume, mass and number of moles (B) Free energy, entropy and enthalpy (C) Both (A) and (B) (D) None of these

Description : The extensive properties are (A) Volume, mass and number of moles (B) Free energy, entropy and enthalpy (C) Both (A) and (B) (D) None of these

Last Answer : (C) Both (A) and (B)

What volume at NTP of gaseous ammonia will be required to be passed into `30 cm^(3)` of 1 N `H_(2)SO_(4)` solution to bring down the acid strength of

Description : What volume at NTP of gaseous ammonia will be required to be passed into `30 cm^(3)` of 1 N `H_(2)SO_(4)` solution to bring down the acid strength of

Last Answer : What volume at NTP of gaseous ammonia will be required to be passed into `30 cm^(3)` of 1 N `H_(2 ... down the acid strength of the latter of 0.2 N ?

When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Description : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Last Answer : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces ... ]^(+) [Pt_(2)F_(11)]^(-)`

The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is?

Description : The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is?

Last Answer : 6.023 x 1019

Humid volume is the total volume in m3 of 1 kg of (A) Vapour laden gas at 1 atm. and room temperature (B) Gas plus its accompanying vapour at 1 atm. and room temperature (C) Gas plus its accompanying vapour at 1 atm. and gas temperature (D) Vapour laden gas at 1 atm. and gas temperature

Description : Humid volume is the total volume in m3 of 1 kg of (A) Vapour laden gas at 1 atm. and room temperature (B) Gas plus its accompanying vapour at 1 atm. and room temperature (C) Gas plus its accompanying vapour at 1 atm. and gas temperature (D) Vapour laden gas at 1 atm. and gas temperature

Last Answer : (C) Gas plus its accompanying vapour at 1 atm. and gas temperature

The order of reaction is the number of moles whose concentrations determine the rate of a reaction at a given temperature Give the integrated equation for first order reaction. K = (2.303 / t) * log (a / a-x) Rate equation of first order reaction is. dx/dt = K * (a-x) where ‘a’ is the initial concentration of reactants ‘x’ is the amount reacted in time t seconds

Description : The order of reaction is the number of moles whose concentrations determine the rate of a reaction at a given temperature Give the integrated equation for first order reaction. K = (2.303 / t) * log (a ... a' is the initial concentration of reactants x' is the amount reacted in time t seconds

Last Answer : What is Threshold energy ?

Mean residence time is equal to the space time, when (A) The feed rate is measured at temperature and pressure in the reactor (B) The temperature, pressure and the density of reaction mixture remains constant throughout the reactor (C) There is no change in number of moles in gaseous reaction (D) All (A), (B) and (C)

Description : Mean residence time is equal to the space time, when (A) The feed rate is measured at temperature and pressure in the reactor (B) The temperature, pressure and the density of reaction mixture remains constant throughout ... no change in number of moles in gaseous reaction (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Coke oven gas

Description : The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Coke oven gas

Last Answer : (A) Coke

In low temperature carbonisation (as compared to high temperature carbonisation) of coal (A) Ammonia yield is more (B) Aliphatic tar is produced (C) Free carbon in tar is more (D) All (A), (B) and (C

Description : In low temperature carbonisation (as compared to high temperature carbonisation) of coal (A) Ammonia yield is more (B) Aliphatic tar is produced (C) Free carbon in tar is more (D) All (A), (B) and (C

Last Answer : (B) Aliphatic tar is produced

In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Description : In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Last Answer : (A) Difference in gross & net calorific value of the coke oven gas

In high temperature carbonisation of coal compared to low temperature carbonisation (A) Yield of ammonia is less (B) Aromatic content of tar is low (C) H2 content in the coke oven gas is more (D) Calorific value of the coke oven gas is lower

Description : In high temperature carbonisation of coal compared to low temperature carbonisation (A) Yield of ammonia is less (B) Aromatic content of tar is low (C) H2 content in the coke oven gas is more (D) Calorific value of the coke oven gas is lower

Last Answer : (C) H2 content in the coke oven gas is more

Temperature and pressure in ammonia converter is (A) 200 atm, 1000°C (B) 450 atm, 200°C (C) 450 atm, 550°C (D) 450 atm, 1000°C

Description : Temperature and pressure in ammonia converter is (A) 200 atm, 1000°C (B) 450 atm, 200°C (C) 450 atm, 550°C (D) 450 atm, 1000°C

Last Answer : (C) 450 atm, 550°C

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it (A) Has a pungent smell (B) Vaporises at normal temperature (C) Is toxic and highly corrosive (D) Is in short supply

Description : Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it (A) Has a pungent smell (B) Vaporises at normal temperature (C) Is toxic and highly corrosive (D) Is in short supply

Last Answer : (B) Vaporises at normal temperature

Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process? (A) High pressure, low reactants concentration, high temperature (B) High pressure, low reactants concentration, low temperature (C) High pressure, high reactants concentration, low temperature (D) Low pressure, high reactants concentration, low temperature

Description : Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process? (A) High pressure, low reactants concentration, high temperature (B) High ... , high reactants concentration, low temperature (D) Low pressure, high reactants concentration, low temperature

Last Answer : (C) High pressure, high reactants concentration, low temperature

The composition of fresh feed to the high temperature, high pressure urea autoclave is (A) Excess liquid ammonia and liquefied CO2 (B) Excess liquid ammonia and compressed CO2 gas (C) Liquid ammonia and excess compressed CO2 (D) Compressed ammonia gas and excess compressed CO2

Description : The composition of fresh feed to the high temperature, high pressure urea autoclave is (A) Excess liquid ammonia and liquefied CO2 (B) Excess liquid ammonia and compressed CO2 gas (C) Liquid ammonia and excess compressed CO2 (D) Compressed ammonia gas and excess compressed CO2

Last Answer : (B) Excess liquid ammonia and compressed CO2 gas

Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature (A) Rate of reaction is very low (B) Very high pressure is required resulting in costly pressure vessel (C) Space velocity of gas is very low resulting in decreased conversion (D) None of these

Description : Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature (A) Rate of reaction is very low ... (C) Space velocity of gas is very low resulting in decreased conversion (D) None of these

Last Answer : (A) Rate of reaction is very low

Lower temperature and large excess of ammonia in urea melt (A) Increases biuret formation (B) Decreases biuret formation (C) Is undesirable (D) Does not effect biuret formation

Description : Lower temperature and large excess of ammonia in urea melt (A) Increases biuret formation (B) Decreases biuret formation (C) Is undesirable (D) Does not effect biuret formation

Last Answer : (B) Decreases biuret formation

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)

Description : Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Phenol

Description : The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Phenol

Last Answer : (A) Coke

In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by (A) High temperature (B) Low pressure (C) Low temperature only (D) Both low temperature and high pressure

Description : In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by (A) High temperature (B) Low pressure (C) Low temperature only (D) Both low temperature and high pressure

Last Answer : (D) Both low temperature and high pressure

A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 D. 240

Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 D. 240

Last Answer : ANSWER: C

A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 63 D. 240

Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 63 D. 240

Last Answer : ANSWER: C

In acoustics, if the volume of the room is 200 m3 then at what frequency the coefficient of absorption is measured? A. 120 kHz B. 120 Hz C. 100 Hz D. 150 Hz

Description : In acoustics, if the volume of the room is 200 m3 then at what frequency the coefficient of absorption is measured? A. 120 kHz B. 120 Hz C. 100 Hz D. 150 Hz

Last Answer : B. 120 Hz

What is the volume of 2 moles of ammonia at room temperature?

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